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63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
/*
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ROM functions for hardware AES support.
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It is not recommended to use these functions directly,
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use the wrapper functions in hwcrypto/aes.h instead.
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*/
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// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <stdint.h>
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#include <stdbool.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define AES_BLOCK_SIZE 16
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enum AES_TYPE {
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AES_ENC,
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AES_DEC,
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};
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enum AES_BITS {
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AES128,
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AES192,
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AES256
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};
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void ets_aes_enable(void);
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void ets_aes_disable(void);
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void ets_aes_set_endian(bool key_word_swap, bool key_byte_swap,
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bool in_word_swap, bool in_byte_swap,
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bool out_word_swap, bool out_byte_swap);
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int ets_aes_setkey(enum AES_TYPE type, const void *key, enum AES_BITS bits);
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int ets_aes_setkey_enc(const void *key, enum AES_BITS bits);
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int ets_aes_setkey_dec(const void *key, enum AES_BITS bits);
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void ets_aes_block(const void *input, void *output);
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#ifdef __cplusplus
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}
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#endif
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